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4.18.31

Download the installer for your operating system or run

oc adm release extract --tools quay.io/openshift-release-dev/ocp-release:4.18.31-ppc64le
Team Approvals:

No tests for this release

Upgrades from:

Untested upgrades: 4.17.11, 4.17.12, 4.17.13, 4.17.14, 4.17.15, 4.17.16, 4.17.17, 4.17.18, 4.17.19, 4.17.20, 4.17.21, 4.17.22, 4.17.23, 4.17.24, 4.17.25, 4.17.26, 4.17.27, 4.17.28, 4.17.29, 4.17.30, 4.17.31, 4.17.32, 4.17.33, 4.17.34, 4.17.35, 4.17.36, 4.17.37, 4.17.38, 4.17.39, 4.17.40, 4.17.41, 4.17.42, 4.17.43, 4.17.44, 4.17.45, 4.17.46, 4.18.1, 4.18.10, 4.18.11, 4.18.12, 4.18.13, 4.18.14, 4.18.15, 4.18.16, 4.18.17, 4.18.18, 4.18.19, 4.18.2, 4.18.20, 4.18.21, 4.18.22, 4.18.23, 4.18.24, 4.18.25, 4.18.26, 4.18.27, 4.18.28, 4.18.29, 4.18.3, 4.18.30, 4.18.4, 4.18.5, 4.18.6, 4.18.7, 4.18.8, 4.18.9

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Changes from 4.18.30

Created: 2026-01-08 14:58:58 +0000 UTC

Image Digest: sha256:2108325c5ee08249e1b0c0ad6a3daab197f5e2a1a83c8600d27c49ad0ff94307

Components

FeatureGate Changes

FeatureGate Default
Hypershift
Default
SelfManagedHA
DevPreviewNoUpgrade
Hypershift
DevPreviewNoUpgrade
SelfManagedHA
TechPreviewNoUpgrade
Hypershift
TechPreviewNoUpgrade
SelfManagedHA
StreamingCollectionEncodingToJSON
(0 tests)
Enabled Enabled
(Changed)
Enabled Enabled Enabled Enabled
StreamingCollectionEncodingToProtobuf
(0 tests)
Enabled Enabled
(Changed)
Enabled Enabled Enabled Enabled

Rebuilt images without code change

baremetal-installer, installer, installer-altinfra, installer-artifacts

cluster-baremetal-operator

cluster-config-api

cluster-ingress-operator

cluster-monitoring-operator

cluster-version-operator

console

haproxy-router

hypershift

ibmcloud-cluster-api-controllers

insights-operator

machine-config-operator

networking-console-plugin

oc-mirror

ovn-kubernetes, ovn-kubernetes-microshift

powervs-block-csi-driver

tests


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